Highway Engineering Part 2

Page 1 of 4

1.

Which of the following requirement is given most importance in highway design?

seasonal

functional

structural

maintenance

2.

The sequence of four stages of survey in a highway alignment is

map study, reconnaissance, preliminary survey and detailed survey

preliminary survey, map study, reconnaissance and detailed survey

reconnaissance, map study, preliminary survey and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

3.

The surface of highway pavement should be designed to allow

low rolling resistance

high rolling resistance

very high rolling resistance

no rolling resistance

4.

The alignment of road should cross the series of hills through

valley

none of these

ridge

saddle

5.

For highway geometric design purposes the speed used is

85th percentile

98th percentile

50th percentile

15th percentile

6.

Nagpur road plan formulae were prepared by assuming

radial or star and block road pattern

rectangular or block road pattern

radial or star and circular road pattern

radial or star and grid road pattern

7.

Coefficient of friction is less when the pavement surface is

smooth and dry

dry

rough

smooth and wet

8.

The maximum design gradient for vertical profile of a road is

exceptional gradient

minimum gradient

ruling gradient

limiting gradient

9.

The branch of engineering that deals with improvement of traffic performance, traffic studies and traffic network is called

Traffic management

Railway engineering

Highway engineering

Traffic engineering

10.

Which of the following roads are congested during peak hours?

rural roads

express ways

highways

urban roads

Page 2 of 4

11.

Which of the following shapes is preferred in a valley curve?

simple parabola

cubic parabola

lemniscate

spiral

12.

In a proposed alignment the type of soil which will not be preferred is

all of these

ordinary soil

soft rock

hard rock

13.

The surface of the pavement should be

sufficient enough to resist skid

rough

smooth

very rough

14.

As per IRC the carriage way width for two lane traffic should be

12.5 m

10 m

7.5 m

15 m

15.

The slope of the line joining the crown and edge of the road surface is known as

camber

cross fall

any of these

cross slope

16.

The steepest gradient in ordinary condition should not exceed

maximum gradient

ruling gradient

exceptional gradient

floating gradient

17.

The maximum allowable super elevation is

1 in 12

1 in 15

1 in 30

1 in 18

18.

Camber in the road is provided for

all of these

having proper sight distance

counteracting the centrifugal force

effective drainage

19.

The highest point on a carriageway is known as

superelevation

gradient

crown

camber

20.

Reaction time of a driver

is same for all speeds

increases with increase in speed

decreases with increase in speed

none of these

Page 3 of 4

21.

The shape of the chamber, best suited for cement concrete pavements is

straight line

elliptical

combination of straight and parabolic

parabolic

22.

The value of ruling gradient in plains as per IRC recommendation is

1 in 20

1 in 15

1 in 12

1 in 30

23.

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

1 in 60

1 in 48

1 in 30

1in 36

24.

The design life of flexible pavement is

8

12

10

15

25.

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

less than the pressure on inner wheels

zero

equal to the pressure on inner wheels

more than the pressure on inner wheels

26.

The surface of highway pavement should be designed to allow

no rolling resistance

very high rolling resistance

high rolling resistance

low rolling resistance

27.

The layer which is constructed above embankment is called

sub grade

fill

sub base

base

28.

The transition curve used in the horizontal alignment of highways as per IRC recommendations is

any of these

cubic parabola

spiral

lemniscate

29.

The camber of road should be approximately equal to

longitudinal gradient

half the longitudinal gradient

two times the longitudinal gradient

three times the longitudinal gradient

30.

If ruling gradient is 1 in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

6%

4%

5%

3%

Page 4 of 4

31.

In India for design of roads pedestrian is considered as

controller of traffic

essential part of traffic

intruder in traffic

element of traffic

32.

The materials not included in highway construction are

Stone

Soil

Dust

Petrol

33.

For places where there is a passage of flood water then the highway has to be built on

embankment

overpass

subway

underpass

34.

Enoscope is used to find

spot speed

average speed

space-mean speed

time-mean speed

35.

For the design of superelevation for mixed traffic conditions, the speed is reduced by

25%

15%

20%

75%

36.

Camber in the road is provided for

effective drainage

having proper sight distance

counteracting the centrifugal force

none of these

37.

The desirable length of overtaking zone as per IRC recommendation is equal to

five times the overtaking sight distance

two times the overtaking sight distance

three times the overtaking sight distance

overtaking sight distance

38.

As per IRC, the maximum width of a vehicle should be

2m

3.8m

1.58m

2.44m

39.

The equilibrium super elevation required to counteract the centrifugal force fully is given by

(0.75V)²/ 127R

V²/ 75R

V² / 127R

V²/ 27.5R

40.

Stopping sight distance is always

none of the these

more than overtaking sight distance

less than overtaking sight distance

equal to overtaking sight distance

Highway Engineering Part 2

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